1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/////////////////////////////////////////////////////////////////////////////
// Name: wx/dfb/dc.h
// Purpose: wxDC class
// Author: Vaclav Slavik
// Created: 2006-08-07
// Copyright: (c) 2006 REA Elektronik GmbH
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DFB_DC_H_
#define _WX_DFB_DC_H_
#include "wx/defs.h"
#include "wx/region.h"
#include "wx/dc.h"
#include "wx/dfb/dfbptr.h"
wxDFB_DECLARE_INTERFACE(IDirectFBSurface);
//-----------------------------------------------------------------------------
// wxDFBDCImpl
//-----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxDFBDCImpl : public wxDCImpl
{
public:
// ctors
wxDFBDCImpl(wxDC *owner) : wxDCImpl(owner) { m_surface = NULL; }
wxDFBDCImpl(wxDC *owner, const wxIDirectFBSurfacePtr& surface)
: wxDCImpl(owner)
{
DFBInit(surface);
}
bool IsOk() const { return m_surface != NULL; }
// implement base class pure virtuals
// ----------------------------------
virtual void Clear();
virtual bool StartDoc(const wxString& message);
virtual void EndDoc();
virtual void StartPage();
virtual void EndPage();
virtual void SetFont(const wxFont& font);
virtual void SetPen(const wxPen& pen);
virtual void SetBrush(const wxBrush& brush);
virtual void SetBackground(const wxBrush& brush);
virtual void SetBackgroundMode(int mode);
#if wxUSE_PALETTE
virtual void SetPalette(const wxPalette& palette);
#endif
virtual void SetLogicalFunction(wxRasterOperationMode function);
virtual void DestroyClippingRegion();
virtual wxCoord GetCharHeight() const;
virtual wxCoord GetCharWidth() const;
virtual void DoGetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
wxCoord *externalLeading = NULL,
const wxFont *theFont = NULL) const;
virtual bool CanDrawBitmap() const { return true; }
virtual bool CanGetTextExtent() const { return true; }
virtual int GetDepth() const;
virtual wxSize GetPPI() const;
// Returns the surface (and increases its ref count)
wxIDirectFBSurfacePtr GetDirectFBSurface() const { return m_surface; }
protected:
// implementation
wxCoord XDEV2LOG(wxCoord x) const { return DeviceToLogicalX(x); }
wxCoord XDEV2LOGREL(wxCoord x) const { return DeviceToLogicalXRel(x); }
wxCoord YDEV2LOG(wxCoord y) const { return DeviceToLogicalY(y); }
wxCoord YDEV2LOGREL(wxCoord y) const { return DeviceToLogicalYRel(y); }
wxCoord XLOG2DEV(wxCoord x) const { return LogicalToDeviceX(x); }
wxCoord XLOG2DEVREL(wxCoord x) const { return LogicalToDeviceXRel(x); }
wxCoord YLOG2DEV(wxCoord y) const { return LogicalToDeviceY(y); }
wxCoord YLOG2DEVREL(wxCoord y) const { return LogicalToDeviceYRel(y); }
// initializes the DC from a surface, must be called if default ctor
// was used
void DFBInit(const wxIDirectFBSurfacePtr& surface);
virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
wxFloodFillStyle style = wxFLOOD_SURFACE);
virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
virtual void DoDrawPoint(wxCoord x, wxCoord y);
virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
virtual void DoDrawArc(wxCoord x1, wxCoord y1,
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc);
virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
double sa, double ea);
virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
wxCoord width, wxCoord height,
double radius);
virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
virtual void DoCrossHair(wxCoord x, wxCoord y);
virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
bool useMask = false);
virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
double angle);
virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
wxDC *source, wxCoord xsrc, wxCoord ysrc,
wxRasterOperationMode rop = wxCOPY, bool useMask = false,
wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
wxCoord width, wxCoord height);
virtual void DoSetDeviceClippingRegion(const wxRegion& region);
virtual void DoGetSize(int *width, int *height) const;
virtual void DoGetSizeMM(int* width, int* height) const;
virtual void DoDrawLines(int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset);
virtual void DoDrawPolygon(int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
// implementation from now on:
protected:
wxIDirectFBFontPtr GetCurrentFont() const;
private:
// Unified implementation of DrawIcon, DrawBitmap and Blit:
void DoDrawSubBitmap(const wxBitmap &bmp,
wxCoord x, wxCoord y, wxCoord w, wxCoord h,
wxCoord destx, wxCoord desty, int rop, bool useMask);
bool DoBlitFromSurface(const wxIDirectFBSurfacePtr& src,
wxCoord srcx, wxCoord srcy,
wxCoord w, wxCoord h,
wxCoord dstx, wxCoord dsty);
// selects colour into surface's state
void SelectColour(const wxColour& clr);
protected:
wxIDirectFBSurfacePtr m_surface;
double m_mm_to_pix_x, m_mm_to_pix_y;
friend class WXDLLIMPEXP_FWD_CORE wxOverlayImpl; // for Init
DECLARE_ABSTRACT_CLASS(wxDFBDCImpl)
};
#endif // _WX_DFB_DC_H_
|
